William E. Bradford

Lead Director of Kerr-McGee "since 1999; lead non-management director since 2003. Retired as Chairman of Halliburton Company, a provider of energy and energy services, in 2000; Chairman and Chief Executive Officer of Dresser Industries, Inc., now merged with Halliburton Company, from 1996 to 1998. Director, Valero Energy Corporation." [1]